Test Crossword Puzzle

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Across
  1. 4. Three million, two hundred and one thousand and one.
  2. 7. ____ x 10 to the power of 6 is 3467000.
  3. 8. The sum of 5 cubed, 4 cubed and 3 cubed.
  4. 9. The largest factor of 625.
Down
  1. 1. The product of the first 3 prime numbers.
  2. 2. The sum of 6 squared and 10 squared.
  3. 3. The sum of the first 3 multiples of 14.
  4. 5. The square root of 25 + the cube root of 8 + the square root of 225.
  5. 6. 5 cubed. Do you know it? Use the calculator.
  6. 10. What do you get if you add 23.2 and 1.3?